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6.一個x的二次多項式與x的三次多項式,相減後的結果為x的n次多項式,則n=?(A)-1 (B)1 (C)3 (D)無法確定
問題詳情
6.一個x的二次多項式與x的三次多項式,相減後的結果為x的n次多項式,則n=?
(A)-1
(B)1
(C)3
(D)無法確定
參考答案
答案:C
難度:
計算中
-1
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4055
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因為x的3次方沒辦法消.....看完整詳...
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3104
】評論
因為x的3次方沒辦法消.....看完整詳...
上一篇 :
5. 若多項式(a-3)x2+(b+1)x+c-2是一個零多項式,則a、b、c三個數的條件為何?(A)a=3,b=1,c=2 (B) a≠3,b=1,c=2(C) a=3,b=-1,c=2 (D) a
下一篇 :
7.假設小英與韓魚分別寫出一個x的多項式,小英的多項式,各項係數總和是5;韓魚只知自己的多項式最高次數是三,算不出各項係數總和。後來小英把兩個多項式相加,所得多項式的各項係數總和是2,則韓魚所寫的多項
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